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Thoughts on a new sheep rifle
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<blockquote data-quote="27 Gap" data-source="post: 1883540" data-attributes="member: 112073"><p>That's a good point and something I considered, but could use a second set of eyes on. In this <a href="https://rifleshooter.com/2013/12/300-winchester-magnum-how-does-barrel-length-change-velocity-a-16-300-win-mag/" target="_blank">article</a> there was a 196 ft/s loss when they cut down the barrel by 6" on a 190 grain bullet in a 300 win mag (avg 32.7 ft/inch/second).</p><p></p><p>The 27 Nosler is effectively a 300 win mag casing, but let's say we're using 150 grain rounds and we acknowledge that the .277 bullet is a little sleeker than the 190 grainer .30 caliber. Reasonably I'm guessing that'll buy me 8 ft/second for an average loss of 25 ft/second. @6 inches that's 150 ft/second out of the barrel. </p><p></p><p>Nosler published the 150 grain round at 3300 ft/second out of a 26" barrel, which would net me 3150 assuming faster powder and better loading didn't make up the difference.</p><p></p><p>Thoughts?</p></blockquote><p></p>
[QUOTE="27 Gap, post: 1883540, member: 112073"] That's a good point and something I considered, but could use a second set of eyes on. In this [URL='https://rifleshooter.com/2013/12/300-winchester-magnum-how-does-barrel-length-change-velocity-a-16-300-win-mag/']article[/URL] there was a 196 ft/s loss when they cut down the barrel by 6" on a 190 grain bullet in a 300 win mag (avg 32.7 ft/inch/second). The 27 Nosler is effectively a 300 win mag casing, but let's say we're using 150 grain rounds and we acknowledge that the .277 bullet is a little sleeker than the 190 grainer .30 caliber. Reasonably I'm guessing that'll buy me 8 ft/second for an average loss of 25 ft/second. @6 inches that's 150 ft/second out of the barrel. Nosler published the 150 grain round at 3300 ft/second out of a 26" barrel, which would net me 3150 assuming faster powder and better loading didn't make up the difference. Thoughts? [/QUOTE]
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